/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
 * project 1999. */
/* ====================================================================
 * Copyright (c) 1999-2004 The OpenSSL Project.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    licensing@OpenSSL.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com). */

#ifndef HEADER_X509V3_H
#define HEADER_X509V3_H

#include <openssl/bio.h>
#include <openssl/conf.h>
#include <openssl/x509.h>
#include <openssl/lhash.h>

#ifdef __cplusplus
extern "C" {
#endif

/* Legacy X.509 library.
 *
 * This header is part of OpenSSL's X.509 implementation. It is retained for
 * compatibility but otherwise underdocumented and not actively maintained. In
 * the future, a replacement library will be available. Meanwhile, minimize
 * dependencies on this header where possible. */

/* Forward reference */
struct v3_ext_method;
struct v3_ext_ctx;

/* Useful typedefs */

typedef void* (*X509V3_EXT_NEW)(void);
typedef void (*X509V3_EXT_FREE)(void*);
typedef void* (*X509V3_EXT_D2I)(void*, const unsigned char**, long);
typedef int (*X509V3_EXT_I2D)(void*, unsigned char**);
typedef STACK_OF(CONF_VALUE) *
    (*X509V3_EXT_I2V)(const struct v3_ext_method* method, void* ext, STACK_OF(CONF_VALUE) * extlist);
typedef void* (*X509V3_EXT_V2I)(const struct v3_ext_method* method, struct v3_ext_ctx* ctx,
                                STACK_OF(CONF_VALUE) * values);
typedef char* (*X509V3_EXT_I2S)(const struct v3_ext_method* method, void* ext);
typedef void* (*X509V3_EXT_S2I)(const struct v3_ext_method* method, struct v3_ext_ctx* ctx, const char* str);
typedef int (*X509V3_EXT_I2R)(const struct v3_ext_method* method, void* ext, BIO* out, int indent);
typedef void* (*X509V3_EXT_R2I)(const struct v3_ext_method* method, struct v3_ext_ctx* ctx, const char* str);

/* V3 extension structure */

struct v3_ext_method {
    int ext_nid;
    int ext_flags;
    /* If this is set the following four fields are ignored */
    ASN1_ITEM_EXP* it;
    /* Old style ASN1 calls */
    X509V3_EXT_NEW ext_new;
    X509V3_EXT_FREE ext_free;
    X509V3_EXT_D2I d2i;
    X509V3_EXT_I2D i2d;

    /* The following pair is used for string extensions */
    X509V3_EXT_I2S i2s;
    X509V3_EXT_S2I s2i;

    /* The following pair is used for multi-valued extensions */
    X509V3_EXT_I2V i2v;
    X509V3_EXT_V2I v2i;

    /* The following are used for raw extensions */
    X509V3_EXT_I2R i2r;
    X509V3_EXT_R2I r2i;

    void* usr_data; /* Any extension specific data */
};

typedef struct X509V3_CONF_METHOD_st {
    char* (*get_string)(void* db, char* section, char* value);
    STACK_OF(CONF_VALUE) * (*get_section)(void* db, char* section);
    void (*free_string)(void* db, char* string);
    void (*free_section)(void* db, STACK_OF(CONF_VALUE) * section);
} X509V3_CONF_METHOD;

/* Context specific info */
struct v3_ext_ctx {
#define CTX_TEST 0x1
    int flags;
    X509* issuer_cert;
    X509* subject_cert;
    X509_REQ* subject_req;
    X509_CRL* crl;
    const X509V3_CONF_METHOD* db_meth;
    void* db;
    /* Maybe more here */
};

typedef struct v3_ext_method X509V3_EXT_METHOD;

DEFINE_STACK_OF(X509V3_EXT_METHOD)

/* ext_flags values */
#define X509V3_EXT_DYNAMIC 0x1
#define X509V3_EXT_CTX_DEP 0x2
#define X509V3_EXT_MULTILINE 0x4

typedef BIT_STRING_BITNAME ENUMERATED_NAMES;

struct BASIC_CONSTRAINTS_st {
    int ca;
    ASN1_INTEGER* pathlen;
};

typedef struct PKEY_USAGE_PERIOD_st {
    ASN1_GENERALIZEDTIME* notBefore;
    ASN1_GENERALIZEDTIME* notAfter;
} PKEY_USAGE_PERIOD;

typedef struct otherName_st {
    ASN1_OBJECT* type_id;
    ASN1_TYPE* value;
} OTHERNAME;

typedef struct EDIPartyName_st {
    ASN1_STRING* nameAssigner;
    ASN1_STRING* partyName;
} EDIPARTYNAME;

typedef struct GENERAL_NAME_st {

#define GEN_OTHERNAME 0
#define GEN_EMAIL 1
#define GEN_DNS 2
#define GEN_X400 3
#define GEN_DIRNAME 4
#define GEN_EDIPARTY 5
#define GEN_URI 6
#define GEN_IPADD 7
#define GEN_RID 8

    int type;
    union {
        char* ptr;
        OTHERNAME* otherName; /* otherName */
        ASN1_IA5STRING* rfc822Name;
        ASN1_IA5STRING* dNSName;
        ASN1_TYPE* x400Address;
        X509_NAME* directoryName;
        EDIPARTYNAME* ediPartyName;
        ASN1_IA5STRING* uniformResourceIdentifier;
        ASN1_OCTET_STRING* iPAddress;
        ASN1_OBJECT* registeredID;

        /* Old names */
        ASN1_OCTET_STRING* ip; /* iPAddress */
        X509_NAME* dirn;       /* dirn */
        ASN1_IA5STRING* ia5;   /* rfc822Name, dNSName, uniformResourceIdentifier */
        ASN1_OBJECT* rid;      /* registeredID */
        ASN1_TYPE* other;      /* x400Address */
    } d;
} GENERAL_NAME;

DEFINE_STACK_OF(GENERAL_NAME)
DECLARE_ASN1_SET_OF(GENERAL_NAME)

typedef STACK_OF(GENERAL_NAME) GENERAL_NAMES;

DEFINE_STACK_OF(GENERAL_NAMES)

typedef struct ACCESS_DESCRIPTION_st {
    ASN1_OBJECT* method;
    GENERAL_NAME* location;
} ACCESS_DESCRIPTION;

DEFINE_STACK_OF(ACCESS_DESCRIPTION)
DECLARE_ASN1_SET_OF(ACCESS_DESCRIPTION)

typedef STACK_OF(ACCESS_DESCRIPTION) AUTHORITY_INFO_ACCESS;

typedef STACK_OF(ASN1_OBJECT) EXTENDED_KEY_USAGE;

typedef struct DIST_POINT_NAME_st {
    int type;
    union {
        GENERAL_NAMES* fullname;
        STACK_OF(X509_NAME_ENTRY) * relativename;
    } name;
    /* If relativename then this contains the full distribution point name */
    X509_NAME* dpname;
} DIST_POINT_NAME;
/* All existing reasons */
#define CRLDP_ALL_REASONS 0x807f

#define CRL_REASON_NONE (-1)
#define CRL_REASON_UNSPECIFIED 0
#define CRL_REASON_KEY_COMPROMISE 1
#define CRL_REASON_CA_COMPROMISE 2
#define CRL_REASON_AFFILIATION_CHANGED 3
#define CRL_REASON_SUPERSEDED 4
#define CRL_REASON_CESSATION_OF_OPERATION 5
#define CRL_REASON_CERTIFICATE_HOLD 6
#define CRL_REASON_REMOVE_FROM_CRL 8
#define CRL_REASON_PRIVILEGE_WITHDRAWN 9
#define CRL_REASON_AA_COMPROMISE 10

struct DIST_POINT_st {
    DIST_POINT_NAME* distpoint;
    ASN1_BIT_STRING* reasons;
    GENERAL_NAMES* CRLissuer;
    int dp_reasons;
};

typedef STACK_OF(DIST_POINT) CRL_DIST_POINTS;

DEFINE_STACK_OF(DIST_POINT)
DECLARE_ASN1_SET_OF(DIST_POINT)

struct AUTHORITY_KEYID_st {
    ASN1_OCTET_STRING* keyid;
    GENERAL_NAMES* issuer;
    ASN1_INTEGER* serial;
};

/* Strong extranet structures */

typedef struct SXNET_ID_st {
    ASN1_INTEGER* zone;
    ASN1_OCTET_STRING* user;
} SXNETID;

DEFINE_STACK_OF(SXNETID)
DECLARE_ASN1_SET_OF(SXNETID)

typedef struct SXNET_st {
    ASN1_INTEGER* version;
    STACK_OF(SXNETID) * ids;
} SXNET;

typedef struct NOTICEREF_st {
    ASN1_STRING* organization;
    STACK_OF(ASN1_INTEGER) * noticenos;
} NOTICEREF;

typedef struct USERNOTICE_st {
    NOTICEREF* noticeref;
    ASN1_STRING* exptext;
} USERNOTICE;

typedef struct POLICYQUALINFO_st {
    ASN1_OBJECT* pqualid;
    union {
        ASN1_IA5STRING* cpsuri;
        USERNOTICE* usernotice;
        ASN1_TYPE* other;
    } d;
} POLICYQUALINFO;

DEFINE_STACK_OF(POLICYQUALINFO)
DECLARE_ASN1_SET_OF(POLICYQUALINFO)

typedef struct POLICYINFO_st {
    ASN1_OBJECT* policyid;
    STACK_OF(POLICYQUALINFO) * qualifiers;
} POLICYINFO;

typedef STACK_OF(POLICYINFO) CERTIFICATEPOLICIES;

DEFINE_STACK_OF(POLICYINFO)
DECLARE_ASN1_SET_OF(POLICYINFO)

typedef struct POLICY_MAPPING_st {
    ASN1_OBJECT* issuerDomainPolicy;
    ASN1_OBJECT* subjectDomainPolicy;
} POLICY_MAPPING;

DEFINE_STACK_OF(POLICY_MAPPING)

typedef STACK_OF(POLICY_MAPPING) POLICY_MAPPINGS;

typedef struct GENERAL_SUBTREE_st {
    GENERAL_NAME* base;
    ASN1_INTEGER* minimum;
    ASN1_INTEGER* maximum;
} GENERAL_SUBTREE;

DEFINE_STACK_OF(GENERAL_SUBTREE)

struct NAME_CONSTRAINTS_st {
    STACK_OF(GENERAL_SUBTREE) * permittedSubtrees;
    STACK_OF(GENERAL_SUBTREE) * excludedSubtrees;
};

typedef struct POLICY_CONSTRAINTS_st {
    ASN1_INTEGER* requireExplicitPolicy;
    ASN1_INTEGER* inhibitPolicyMapping;
} POLICY_CONSTRAINTS;

/* Proxy certificate structures, see RFC 3820 */
typedef struct PROXY_POLICY_st {
    ASN1_OBJECT* policyLanguage;
    ASN1_OCTET_STRING* policy;
} PROXY_POLICY;

typedef struct PROXY_CERT_INFO_EXTENSION_st {
    ASN1_INTEGER* pcPathLengthConstraint;
    PROXY_POLICY* proxyPolicy;
} PROXY_CERT_INFO_EXTENSION;

DECLARE_ASN1_FUNCTIONS(PROXY_POLICY)
DECLARE_ASN1_FUNCTIONS(PROXY_CERT_INFO_EXTENSION)

struct ISSUING_DIST_POINT_st {
    DIST_POINT_NAME* distpoint;
    int onlyuser;
    int onlyCA;
    ASN1_BIT_STRING* onlysomereasons;
    int indirectCRL;
    int onlyattr;
};

/* Values in idp_flags field */
/* IDP present */
#define IDP_PRESENT 0x1
/* IDP values inconsistent */
#define IDP_INVALID 0x2
/* onlyuser true */
#define IDP_ONLYUSER 0x4
/* onlyCA true */
#define IDP_ONLYCA 0x8
/* onlyattr true */
#define IDP_ONLYATTR 0x10
/* indirectCRL true */
#define IDP_INDIRECT 0x20
/* onlysomereasons present */
#define IDP_REASONS 0x40

#define X509V3_conf_err(val)                                                                                           \
    ERR_add_error_data(6, "section:", (val)->section, ",name:", (val)->name, ",value:", (val)->value);

#define X509V3_set_ctx_test(ctx) X509V3_set_ctx(ctx, NULL, NULL, NULL, NULL, CTX_TEST)
#define X509V3_set_ctx_nodb(ctx) (ctx)->db = NULL;

#define EXT_BITSTRING(nid, table)                                                                                      \
    {                                                                                                                  \
        nid, 0, ASN1_ITEM_ref(ASN1_BIT_STRING), 0, 0, 0, 0, 0, 0, (X509V3_EXT_I2V)i2v_ASN1_BIT_STRING,                 \
            (X509V3_EXT_V2I)v2i_ASN1_BIT_STRING, NULL, NULL, (void*)(table)                                            \
    }

#define EXT_IA5STRING(nid)                                                                                             \
    {                                                                                                                  \
        nid, 0, ASN1_ITEM_ref(ASN1_IA5STRING), 0, 0, 0, 0, (X509V3_EXT_I2S)i2s_ASN1_IA5STRING,                         \
            (X509V3_EXT_S2I)s2i_ASN1_IA5STRING, 0, 0, 0, 0, NULL                                                       \
    }

#define EXT_END                                                                                                        \
    {                                                                                                                  \
        -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0                                                                      \
    }

/* X509_PURPOSE stuff */

#define EXFLAG_BCONS 0x1
#define EXFLAG_KUSAGE 0x2
#define EXFLAG_XKUSAGE 0x4
#define EXFLAG_NSCERT 0x8

#define EXFLAG_CA 0x10
/* Really self issued not necessarily self signed */
#define EXFLAG_SI 0x20
#define EXFLAG_V1 0x40
#define EXFLAG_INVALID 0x80
#define EXFLAG_SET 0x100
#define EXFLAG_CRITICAL 0x200
#define EXFLAG_PROXY 0x400

#define EXFLAG_INVALID_POLICY 0x800
#define EXFLAG_FRESHEST 0x1000
/* Self signed */
#define EXFLAG_SS 0x2000

#define KU_DIGITAL_SIGNATURE 0x0080
#define KU_NON_REPUDIATION 0x0040
#define KU_KEY_ENCIPHERMENT 0x0020
#define KU_DATA_ENCIPHERMENT 0x0010
#define KU_KEY_AGREEMENT 0x0008
#define KU_KEY_CERT_SIGN 0x0004
#define KU_CRL_SIGN 0x0002
#define KU_ENCIPHER_ONLY 0x0001
#define KU_DECIPHER_ONLY 0x8000

#define NS_SSL_CLIENT 0x80
#define NS_SSL_SERVER 0x40
#define NS_SMIME 0x20
#define NS_OBJSIGN 0x10
#define NS_SSL_CA 0x04
#define NS_SMIME_CA 0x02
#define NS_OBJSIGN_CA 0x01
#define NS_ANY_CA (NS_SSL_CA | NS_SMIME_CA | NS_OBJSIGN_CA)

#define XKU_SSL_SERVER 0x1
#define XKU_SSL_CLIENT 0x2
#define XKU_SMIME 0x4
#define XKU_CODE_SIGN 0x8
#define XKU_SGC 0x10
#define XKU_OCSP_SIGN 0x20
#define XKU_TIMESTAMP 0x40
#define XKU_DVCS 0x80
#define XKU_ANYEKU 0x100

#define X509_PURPOSE_DYNAMIC 0x1
#define X509_PURPOSE_DYNAMIC_NAME 0x2

typedef struct x509_purpose_st {
    int purpose;
    int trust; /* Default trust ID */
    int flags;
    int (*check_purpose)(const struct x509_purpose_st*, const X509*, int);
    char* name;
    char* sname;
    void* usr_data;
} X509_PURPOSE;

#define X509_PURPOSE_SSL_CLIENT 1
#define X509_PURPOSE_SSL_SERVER 2
#define X509_PURPOSE_NS_SSL_SERVER 3
#define X509_PURPOSE_SMIME_SIGN 4
#define X509_PURPOSE_SMIME_ENCRYPT 5
#define X509_PURPOSE_CRL_SIGN 6
#define X509_PURPOSE_ANY 7
#define X509_PURPOSE_OCSP_HELPER 8
#define X509_PURPOSE_TIMESTAMP_SIGN 9

#define X509_PURPOSE_MIN 1
#define X509_PURPOSE_MAX 9

/* Flags for X509V3_EXT_print() */

#define X509V3_EXT_UNKNOWN_MASK (0xfL << 16)
/* Return error for unknown extensions */
#define X509V3_EXT_DEFAULT 0
/* Print error for unknown extensions */
#define X509V3_EXT_ERROR_UNKNOWN (1L << 16)
/* ASN1 parse unknown extensions */
#define X509V3_EXT_PARSE_UNKNOWN (2L << 16)
/* BIO_dump unknown extensions */
#define X509V3_EXT_DUMP_UNKNOWN (3L << 16)

/* Flags for X509V3_add1_i2d */

#define X509V3_ADD_OP_MASK 0xfL
#define X509V3_ADD_DEFAULT 0L
#define X509V3_ADD_APPEND 1L
#define X509V3_ADD_REPLACE 2L
#define X509V3_ADD_REPLACE_EXISTING 3L
#define X509V3_ADD_KEEP_EXISTING 4L
#define X509V3_ADD_DELETE 5L
#define X509V3_ADD_SILENT 0x10

DEFINE_STACK_OF(X509_PURPOSE)

DECLARE_ASN1_FUNCTIONS(BASIC_CONSTRAINTS)

DECLARE_ASN1_FUNCTIONS(SXNET)
DECLARE_ASN1_FUNCTIONS(SXNETID)

int SXNET_add_id_asc(SXNET** psx, char* zone, char* user, int userlen);
int SXNET_add_id_ulong(SXNET** psx, unsigned long lzone, char* user, int userlen);
int SXNET_add_id_INTEGER(SXNET** psx, ASN1_INTEGER* izone, char* user, int userlen);

ASN1_OCTET_STRING* SXNET_get_id_asc(SXNET* sx, char* zone);
ASN1_OCTET_STRING* SXNET_get_id_ulong(SXNET* sx, unsigned long lzone);
ASN1_OCTET_STRING* SXNET_get_id_INTEGER(SXNET* sx, ASN1_INTEGER* zone);

DECLARE_ASN1_FUNCTIONS(AUTHORITY_KEYID)

DECLARE_ASN1_FUNCTIONS(PKEY_USAGE_PERIOD)

DECLARE_ASN1_FUNCTIONS(GENERAL_NAME)
OPENSSL_EXPORT GENERAL_NAME* GENERAL_NAME_dup(GENERAL_NAME* a);
OPENSSL_EXPORT int GENERAL_NAME_cmp(GENERAL_NAME* a, GENERAL_NAME* b);

OPENSSL_EXPORT ASN1_BIT_STRING* v2i_ASN1_BIT_STRING(X509V3_EXT_METHOD* method, X509V3_CTX* ctx,
                                                    STACK_OF(CONF_VALUE) * nval);
OPENSSL_EXPORT STACK_OF(CONF_VALUE) *
    i2v_ASN1_BIT_STRING(X509V3_EXT_METHOD* method, ASN1_BIT_STRING* bits, STACK_OF(CONF_VALUE) * extlist);

OPENSSL_EXPORT STACK_OF(CONF_VALUE) *
    i2v_GENERAL_NAME(X509V3_EXT_METHOD* method, GENERAL_NAME* gen, STACK_OF(CONF_VALUE) * ret);
OPENSSL_EXPORT int GENERAL_NAME_print(BIO* out, GENERAL_NAME* gen);

DECLARE_ASN1_FUNCTIONS(GENERAL_NAMES)

OPENSSL_EXPORT STACK_OF(CONF_VALUE) *
    i2v_GENERAL_NAMES(X509V3_EXT_METHOD* method, GENERAL_NAMES* gen, STACK_OF(CONF_VALUE) * extlist);
OPENSSL_EXPORT GENERAL_NAMES* v2i_GENERAL_NAMES(const X509V3_EXT_METHOD* method, X509V3_CTX* ctx,
                                                STACK_OF(CONF_VALUE) * nval);

DECLARE_ASN1_FUNCTIONS(OTHERNAME)
DECLARE_ASN1_FUNCTIONS(EDIPARTYNAME)
OPENSSL_EXPORT int OTHERNAME_cmp(OTHERNAME* a, OTHERNAME* b);
OPENSSL_EXPORT void GENERAL_NAME_set0_value(GENERAL_NAME* a, int type, void* value);
OPENSSL_EXPORT void* GENERAL_NAME_get0_value(GENERAL_NAME* a, int* ptype);
OPENSSL_EXPORT int GENERAL_NAME_set0_othername(GENERAL_NAME* gen, ASN1_OBJECT* oid, ASN1_TYPE* value);
OPENSSL_EXPORT int GENERAL_NAME_get0_otherName(GENERAL_NAME* gen, ASN1_OBJECT** poid, ASN1_TYPE** pvalue);

OPENSSL_EXPORT char* i2s_ASN1_OCTET_STRING(X509V3_EXT_METHOD* method, ASN1_OCTET_STRING* ia5);
OPENSSL_EXPORT ASN1_OCTET_STRING* s2i_ASN1_OCTET_STRING(X509V3_EXT_METHOD* method, X509V3_CTX* ctx, char* str);

DECLARE_ASN1_FUNCTIONS(EXTENDED_KEY_USAGE)
OPENSSL_EXPORT int i2a_ACCESS_DESCRIPTION(BIO* bp, ACCESS_DESCRIPTION* a);

DECLARE_ASN1_FUNCTIONS(CERTIFICATEPOLICIES)
DECLARE_ASN1_FUNCTIONS(POLICYINFO)
DECLARE_ASN1_FUNCTIONS(POLICYQUALINFO)
DECLARE_ASN1_FUNCTIONS(USERNOTICE)
DECLARE_ASN1_FUNCTIONS(NOTICEREF)

DECLARE_ASN1_FUNCTIONS(CRL_DIST_POINTS)
DECLARE_ASN1_FUNCTIONS(DIST_POINT)
DECLARE_ASN1_FUNCTIONS(DIST_POINT_NAME)
DECLARE_ASN1_FUNCTIONS(ISSUING_DIST_POINT)

OPENSSL_EXPORT int DIST_POINT_set_dpname(DIST_POINT_NAME* dpn, X509_NAME* iname);

OPENSSL_EXPORT int NAME_CONSTRAINTS_check(X509* x, NAME_CONSTRAINTS* nc);

DECLARE_ASN1_FUNCTIONS(ACCESS_DESCRIPTION)
DECLARE_ASN1_FUNCTIONS(AUTHORITY_INFO_ACCESS)

DECLARE_ASN1_ITEM(POLICY_MAPPING)
DECLARE_ASN1_ALLOC_FUNCTIONS(POLICY_MAPPING)
DECLARE_ASN1_ITEM(POLICY_MAPPINGS)

DECLARE_ASN1_ITEM(GENERAL_SUBTREE)
DECLARE_ASN1_ALLOC_FUNCTIONS(GENERAL_SUBTREE)

DECLARE_ASN1_ITEM(NAME_CONSTRAINTS)
DECLARE_ASN1_ALLOC_FUNCTIONS(NAME_CONSTRAINTS)

DECLARE_ASN1_ALLOC_FUNCTIONS(POLICY_CONSTRAINTS)
DECLARE_ASN1_ITEM(POLICY_CONSTRAINTS)

OPENSSL_EXPORT GENERAL_NAME* a2i_GENERAL_NAME(GENERAL_NAME* out, const X509V3_EXT_METHOD* method, X509V3_CTX* ctx,
                                              int gen_type, char* value, int is_nc);

OPENSSL_EXPORT GENERAL_NAME* v2i_GENERAL_NAME(const X509V3_EXT_METHOD* method, X509V3_CTX* ctx, CONF_VALUE* cnf);
OPENSSL_EXPORT GENERAL_NAME* v2i_GENERAL_NAME_ex(GENERAL_NAME* out, const X509V3_EXT_METHOD* method, X509V3_CTX* ctx,
                                                 CONF_VALUE* cnf, int is_nc);
OPENSSL_EXPORT void X509V3_conf_free(CONF_VALUE* val);

// X509V3_EXT_conf_nid contains the only exposed instance of an LHASH in our
// public headers. The |conf| pointer must be NULL but cryptography.io wraps
// this function so we cannot, yet, replace the type with a dummy struct.
OPENSSL_EXPORT X509_EXTENSION* X509V3_EXT_conf_nid(LHASH_OF(CONF_VALUE) * conf, X509V3_CTX* ctx, int ext_nid,
                                                   char* value);

OPENSSL_EXPORT X509_EXTENSION* X509V3_EXT_nconf_nid(CONF* conf, X509V3_CTX* ctx, int ext_nid, char* value);
OPENSSL_EXPORT X509_EXTENSION* X509V3_EXT_nconf(CONF* conf, X509V3_CTX* ctx, char* name, char* value);
OPENSSL_EXPORT int X509V3_EXT_add_nconf_sk(CONF* conf, X509V3_CTX* ctx, char* section, STACK_OF(X509_EXTENSION) * *sk);
OPENSSL_EXPORT int X509V3_EXT_add_nconf(CONF* conf, X509V3_CTX* ctx, char* section, X509* cert);
OPENSSL_EXPORT int X509V3_EXT_REQ_add_nconf(CONF* conf, X509V3_CTX* ctx, char* section, X509_REQ* req);
OPENSSL_EXPORT int X509V3_EXT_CRL_add_nconf(CONF* conf, X509V3_CTX* ctx, char* section, X509_CRL* crl);

OPENSSL_EXPORT int X509V3_add_value_bool_nf(char* name, int asn1_bool, STACK_OF(CONF_VALUE) * *extlist);
OPENSSL_EXPORT int X509V3_get_value_bool(CONF_VALUE* value, int* asn1_bool);
OPENSSL_EXPORT int X509V3_get_value_int(CONF_VALUE* value, ASN1_INTEGER** aint);
OPENSSL_EXPORT void X509V3_set_nconf(X509V3_CTX* ctx, CONF* conf);

OPENSSL_EXPORT char* X509V3_get_string(X509V3_CTX* ctx, char* name, char* section);
OPENSSL_EXPORT STACK_OF(CONF_VALUE) * X509V3_get_section(X509V3_CTX* ctx, char* section);
OPENSSL_EXPORT void X509V3_string_free(X509V3_CTX* ctx, char* str);
OPENSSL_EXPORT void X509V3_section_free(X509V3_CTX* ctx, STACK_OF(CONF_VALUE) * section);
OPENSSL_EXPORT void X509V3_set_ctx(X509V3_CTX* ctx, X509* issuer, X509* subject, X509_REQ* req, X509_CRL* crl,
                                   int flags);

OPENSSL_EXPORT int X509V3_add_value(const char* name, const char* value, STACK_OF(CONF_VALUE) * *extlist);
OPENSSL_EXPORT int X509V3_add_value_uchar(const char* name, const unsigned char* value,
                                          STACK_OF(CONF_VALUE) * *extlist);
OPENSSL_EXPORT int X509V3_add_value_bool(const char* name, int asn1_bool, STACK_OF(CONF_VALUE) * *extlist);
OPENSSL_EXPORT int X509V3_add_value_int(const char* name, ASN1_INTEGER* aint, STACK_OF(CONF_VALUE) * *extlist);
OPENSSL_EXPORT char* i2s_ASN1_INTEGER(X509V3_EXT_METHOD* meth, ASN1_INTEGER* aint);
OPENSSL_EXPORT ASN1_INTEGER* s2i_ASN1_INTEGER(X509V3_EXT_METHOD* meth, char* value);
OPENSSL_EXPORT char* i2s_ASN1_ENUMERATED(X509V3_EXT_METHOD* meth, ASN1_ENUMERATED* aint);
OPENSSL_EXPORT char* i2s_ASN1_ENUMERATED_TABLE(X509V3_EXT_METHOD* meth, ASN1_ENUMERATED* aint);
OPENSSL_EXPORT int X509V3_EXT_add(X509V3_EXT_METHOD* ext);
OPENSSL_EXPORT int X509V3_EXT_add_list(X509V3_EXT_METHOD* extlist);
OPENSSL_EXPORT int X509V3_EXT_add_alias(int nid_to, int nid_from);
OPENSSL_EXPORT void X509V3_EXT_cleanup(void);

OPENSSL_EXPORT const X509V3_EXT_METHOD* X509V3_EXT_get(X509_EXTENSION* ext);
OPENSSL_EXPORT const X509V3_EXT_METHOD* X509V3_EXT_get_nid(int nid);
OPENSSL_EXPORT int X509V3_add_standard_extensions(void);
OPENSSL_EXPORT STACK_OF(CONF_VALUE) * X509V3_parse_list(const char* line);
OPENSSL_EXPORT void* X509V3_EXT_d2i(X509_EXTENSION* ext);
OPENSSL_EXPORT void* X509V3_get_d2i(STACK_OF(X509_EXTENSION) * x, int nid, int* crit, int* idx);
OPENSSL_EXPORT int X509V3_EXT_free(int nid, void* ext_data);

OPENSSL_EXPORT X509_EXTENSION* X509V3_EXT_i2d(int ext_nid, int crit, void* ext_struc);
OPENSSL_EXPORT int X509V3_add1_i2d(STACK_OF(X509_EXTENSION) * *x, int nid, void* value, int crit, unsigned long flags);

OPENSSL_EXPORT void X509V3_EXT_val_prn(BIO* out, STACK_OF(CONF_VALUE) * val, int indent, int ml);
OPENSSL_EXPORT int X509V3_EXT_print(BIO* out, X509_EXTENSION* ext, unsigned long flag, int indent);
OPENSSL_EXPORT int X509V3_EXT_print_fp(FILE* out, X509_EXTENSION* ext, int flag, int indent);

OPENSSL_EXPORT int X509V3_extensions_print(BIO* out, const char* title, STACK_OF(X509_EXTENSION) * exts,
                                           unsigned long flag, int indent);

OPENSSL_EXPORT int X509_check_ca(X509* x);
OPENSSL_EXPORT int X509_check_purpose(X509* x, int id, int ca);
OPENSSL_EXPORT int X509_supported_extension(X509_EXTENSION* ex);
OPENSSL_EXPORT int X509_PURPOSE_set(int* p, int purpose);
OPENSSL_EXPORT int X509_check_issued(X509* issuer, X509* subject);
OPENSSL_EXPORT int X509_check_akid(X509* issuer, AUTHORITY_KEYID* akid);

OPENSSL_EXPORT uint32_t X509_get_extension_flags(X509* x);
OPENSSL_EXPORT uint32_t X509_get_key_usage(X509* x);
OPENSSL_EXPORT uint32_t X509_get_extended_key_usage(X509* x);

OPENSSL_EXPORT int X509_PURPOSE_get_count(void);
OPENSSL_EXPORT X509_PURPOSE* X509_PURPOSE_get0(int idx);
OPENSSL_EXPORT int X509_PURPOSE_get_by_sname(char* sname);
OPENSSL_EXPORT int X509_PURPOSE_get_by_id(int id);
OPENSSL_EXPORT int X509_PURPOSE_add(int id, int trust, int flags, int (*ck)(const X509_PURPOSE*, const X509*, int),
                                    char* name, char* sname, void* arg);
OPENSSL_EXPORT char* X509_PURPOSE_get0_name(X509_PURPOSE* xp);
OPENSSL_EXPORT char* X509_PURPOSE_get0_sname(X509_PURPOSE* xp);
OPENSSL_EXPORT int X509_PURPOSE_get_trust(X509_PURPOSE* xp);
OPENSSL_EXPORT void X509_PURPOSE_cleanup(void);
OPENSSL_EXPORT int X509_PURPOSE_get_id(X509_PURPOSE*);

OPENSSL_EXPORT STACK_OF(OPENSSL_STRING) * X509_get1_email(X509* x);
OPENSSL_EXPORT STACK_OF(OPENSSL_STRING) * X509_REQ_get1_email(X509_REQ* x);
OPENSSL_EXPORT void X509_email_free(STACK_OF(OPENSSL_STRING) * sk);
OPENSSL_EXPORT STACK_OF(OPENSSL_STRING) * X509_get1_ocsp(X509* x);
/* Flags for X509_check_* functions */

/* Deprecated: this flag does nothing */
#define X509_CHECK_FLAG_ALWAYS_CHECK_SUBJECT 0
/* Disable wildcard matching for dnsName fields and common name. */
#define X509_CHECK_FLAG_NO_WILDCARDS 0x2
/* Wildcards must not match a partial label. */
#define X509_CHECK_FLAG_NO_PARTIAL_WILDCARDS 0x4
/* Allow (non-partial) wildcards to match multiple labels. */
#define X509_CHECK_FLAG_MULTI_LABEL_WILDCARDS 0x8
/* Constraint verifier subdomain patterns to match a single labels. */
#define X509_CHECK_FLAG_SINGLE_LABEL_SUBDOMAINS 0x10
/* Skip the subject common name fallback if subjectAltNames is missing. */
#define X509_CHECK_FLAG_NEVER_CHECK_SUBJECT 0x20
/*
 * Match reference identifiers starting with "." to any sub-domain.
 * This is a non-public flag, turned on implicitly when the subject
 * reference identity is a DNS name.
 */
#define _X509_CHECK_FLAG_DOT_SUBDOMAINS 0x8000

OPENSSL_EXPORT int X509_check_host(X509* x, const char* chk, size_t chklen, unsigned int flags, char** peername);
OPENSSL_EXPORT int X509_check_email(X509* x, const char* chk, size_t chklen, unsigned int flags);
OPENSSL_EXPORT int X509_check_ip(X509* x, const unsigned char* chk, size_t chklen, unsigned int flags);
OPENSSL_EXPORT int X509_check_ip_asc(X509* x, const char* ipasc, unsigned int flags);

OPENSSL_EXPORT ASN1_OCTET_STRING* a2i_IPADDRESS(const char* ipasc);
OPENSSL_EXPORT ASN1_OCTET_STRING* a2i_IPADDRESS_NC(const char* ipasc);
OPENSSL_EXPORT int a2i_ipadd(unsigned char* ipout, const char* ipasc);
OPENSSL_EXPORT int X509V3_NAME_from_section(X509_NAME* nm, STACK_OF(CONF_VALUE) * dn_sk, unsigned long chtype);

OPENSSL_EXPORT void X509_POLICY_NODE_print(BIO* out, X509_POLICY_NODE* node, int indent);
DEFINE_STACK_OF(X509_POLICY_NODE)

/* BEGIN ERROR CODES */
/* The following lines are auto generated by the script mkerr.pl. Any changes
 * made after this point may be overwritten when the script is next run.
 */

#ifdef __cplusplus
}

extern "C++" {

BSSL_NAMESPACE_BEGIN

BORINGSSL_MAKE_DELETER(ACCESS_DESCRIPTION, ACCESS_DESCRIPTION_free)
BORINGSSL_MAKE_DELETER(AUTHORITY_KEYID, AUTHORITY_KEYID_free)
BORINGSSL_MAKE_DELETER(BASIC_CONSTRAINTS, BASIC_CONSTRAINTS_free)
BORINGSSL_MAKE_DELETER(DIST_POINT, DIST_POINT_free)
BORINGSSL_MAKE_DELETER(GENERAL_NAME, GENERAL_NAME_free)
BORINGSSL_MAKE_DELETER(POLICYINFO, POLICYINFO_free)

BSSL_NAMESPACE_END

} /* extern C++ */
#endif

#define X509V3_R_BAD_IP_ADDRESS 100
#define X509V3_R_BAD_OBJECT 101
#define X509V3_R_BN_DEC2BN_ERROR 102
#define X509V3_R_BN_TO_ASN1_INTEGER_ERROR 103
#define X509V3_R_CANNOT_FIND_FREE_FUNCTION 104
#define X509V3_R_DIRNAME_ERROR 105
#define X509V3_R_DISTPOINT_ALREADY_SET 106
#define X509V3_R_DUPLICATE_ZONE_ID 107
#define X509V3_R_ERROR_CONVERTING_ZONE 108
#define X509V3_R_ERROR_CREATING_EXTENSION 109
#define X509V3_R_ERROR_IN_EXTENSION 110
#define X509V3_R_EXPECTED_A_SECTION_NAME 111
#define X509V3_R_EXTENSION_EXISTS 112
#define X509V3_R_EXTENSION_NAME_ERROR 113
#define X509V3_R_EXTENSION_NOT_FOUND 114
#define X509V3_R_EXTENSION_SETTING_NOT_SUPPORTED 115
#define X509V3_R_EXTENSION_VALUE_ERROR 116
#define X509V3_R_ILLEGAL_EMPTY_EXTENSION 117
#define X509V3_R_ILLEGAL_HEX_DIGIT 118
#define X509V3_R_INCORRECT_POLICY_SYNTAX_TAG 119
#define X509V3_R_INVALID_BOOLEAN_STRING 120
#define X509V3_R_INVALID_EXTENSION_STRING 121
#define X509V3_R_INVALID_MULTIPLE_RDNS 122
#define X509V3_R_INVALID_NAME 123
#define X509V3_R_INVALID_NULL_ARGUMENT 124
#define X509V3_R_INVALID_NULL_NAME 125
#define X509V3_R_INVALID_NULL_VALUE 126
#define X509V3_R_INVALID_NUMBER 127
#define X509V3_R_INVALID_NUMBERS 128
#define X509V3_R_INVALID_OBJECT_IDENTIFIER 129
#define X509V3_R_INVALID_OPTION 130
#define X509V3_R_INVALID_POLICY_IDENTIFIER 131
#define X509V3_R_INVALID_PROXY_POLICY_SETTING 132
#define X509V3_R_INVALID_PURPOSE 133
#define X509V3_R_INVALID_SECTION 134
#define X509V3_R_INVALID_SYNTAX 135
#define X509V3_R_ISSUER_DECODE_ERROR 136
#define X509V3_R_MISSING_VALUE 137
#define X509V3_R_NEED_ORGANIZATION_AND_NUMBERS 138
#define X509V3_R_NO_CONFIG_DATABASE 139
#define X509V3_R_NO_ISSUER_CERTIFICATE 140
#define X509V3_R_NO_ISSUER_DETAILS 141
#define X509V3_R_NO_POLICY_IDENTIFIER 142
#define X509V3_R_NO_PROXY_CERT_POLICY_LANGUAGE_DEFINED 143
#define X509V3_R_NO_PUBLIC_KEY 144
#define X509V3_R_NO_SUBJECT_DETAILS 145
#define X509V3_R_ODD_NUMBER_OF_DIGITS 146
#define X509V3_R_OPERATION_NOT_DEFINED 147
#define X509V3_R_OTHERNAME_ERROR 148
#define X509V3_R_POLICY_LANGUAGE_ALREADY_DEFINED 149
#define X509V3_R_POLICY_PATH_LENGTH 150
#define X509V3_R_POLICY_PATH_LENGTH_ALREADY_DEFINED 151
#define X509V3_R_POLICY_WHEN_PROXY_LANGUAGE_REQUIRES_NO_POLICY 152
#define X509V3_R_SECTION_NOT_FOUND 153
#define X509V3_R_UNABLE_TO_GET_ISSUER_DETAILS 154
#define X509V3_R_UNABLE_TO_GET_ISSUER_KEYID 155
#define X509V3_R_UNKNOWN_BIT_STRING_ARGUMENT 156
#define X509V3_R_UNKNOWN_EXTENSION 157
#define X509V3_R_UNKNOWN_EXTENSION_NAME 158
#define X509V3_R_UNKNOWN_OPTION 159
#define X509V3_R_UNSUPPORTED_OPTION 160
#define X509V3_R_UNSUPPORTED_TYPE 161
#define X509V3_R_USER_TOO_LONG 162

#endif
